Does anyone know exactly why this is so slow (0.1 FPS) on Radeon 9800 level hardware?

I got what Stephen suggested working... sort of. I posted about it here . It only worked for single buffered windows.

Unfortunately, the workaround was going to be painful for me in other...

After some more research (from this post ) and doing some tests for myself, I found that I get the crash in the drivers if I try to use copy pixels from a single or double buffered pbuffer to a...

I'm using a pbuffer for some off-screen rendering so I can store some intermediate results and reuse them in a later frame. I need both the color and depth buffers copied over to the main gl...

Yeah, that's what I ended up doing. It would be nice if they had a panel where you could edit all the opengl state properties like lights and materials though.

Rendermonkey is pretty nice, but does anyone know if there's a way to change the opengl light position or material properties interactively?